Vanishing Acts: Quantifying Black Hole Formation with the DSNB Signal
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866916983267655680 |
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| author | Charissé, Tim Maksimović, David Parker, George A. Wurm, Michael |
| author_facet | Charissé, Tim Maksimović, David Parker, George A. Wurm, Michael |
| contents | The diffuse supernova neutrino background (DSNB) created by stellar core-collapses throughout cosmic history is on the verge of discovery, with SK-Gd showing early deviations from the background expectation and JUNO starting to take data. However, the interpretation of early DSNB data will face significant challenges due to degeneracies between astrophysical parameters and uncertainties in supernova neutrino modeling. We explore how complementary astronomical observations can break these degeneracies and, in this context, we investigate whether early DSNB observations can constrain invisible supernovae, which have no optical emission but are powerful neutrino sources before being swallowed by a forming black hole. Leveraging the differences in the spectra between invisible and visible supernovae, we estimate the sensitivity of 1) detecting the existence of invisible supernovae, and 2) determining the fraction of invisible supernovae. Finally, we discuss how these conclusions depend on the spectral parameters of the black hole-forming component. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_01177 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Vanishing Acts: Quantifying Black Hole Formation with the DSNB Signal Charissé, Tim Maksimović, David Parker, George A. Wurm, Michael High Energy Astrophysical Phenomena High Energy Physics - Experiment High Energy Physics - Phenomenology Instrumentation and Detectors The diffuse supernova neutrino background (DSNB) created by stellar core-collapses throughout cosmic history is on the verge of discovery, with SK-Gd showing early deviations from the background expectation and JUNO starting to take data. However, the interpretation of early DSNB data will face significant challenges due to degeneracies between astrophysical parameters and uncertainties in supernova neutrino modeling. We explore how complementary astronomical observations can break these degeneracies and, in this context, we investigate whether early DSNB observations can constrain invisible supernovae, which have no optical emission but are powerful neutrino sources before being swallowed by a forming black hole. Leveraging the differences in the spectra between invisible and visible supernovae, we estimate the sensitivity of 1) detecting the existence of invisible supernovae, and 2) determining the fraction of invisible supernovae. Finally, we discuss how these conclusions depend on the spectral parameters of the black hole-forming component. |
| title | Vanishing Acts: Quantifying Black Hole Formation with the DSNB Signal |
| topic | High Energy Astrophysical Phenomena High Energy Physics - Experiment High Energy Physics - Phenomenology Instrumentation and Detectors |
| url | https://arxiv.org/abs/2510.01177 |